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Upgrade Jenkins to 2.263.1
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Jenkins has released a new upstream 2.263.1 which we have imported in our thirdparty/ci component.

That is notably required in order to be able to upgrade to the latest Java 11 point release due to:

  • Fix Debian / Ubuntu Java version check for Java (issue 64212, pull 198)

Which are for the releases hosts (the CI ones are still using Java 8 due to the Gearman plugin).

Synchronized with @MoritzMuehlenhoff who is handling the Java 11 and caught the Jenkins compatibility issue.

Event Timeline

Mentioned in SAL (#wikimedia-operations) [2020-12-03T13:24:36Z] <hashar> Upgraded Jenkins on releases2002 (spare server) # T269352

Mentioned in SAL (#wikimedia-operations) [2020-12-03T13:29:56Z] <hashar> Upgraded Jenkins on releases1002 # T269352

Turns out our Jenkins servers are using Java 8, notably because of the Gearman plugin. We should eventually switch them to Java 11 but that is a different task really: T269354

The agent on the releases* hosts are using Java 11 and it seems to work with the new Java 11 version \o/.

hashar claimed this task.

I have upgraded the CI Jenkins instances.